Title :
Fourier descriptors watermarking of vector graphics images
Author :
Solachidis, V. ; Nikolaidis, N. ; Pitas, I.
Author_Institution :
Dept. of Inf., Thessaloniki Univ., Greece
Abstract :
A blind method for watermarking of vector graphics images through polygonal line modification is proposed. The watermark is embedded in the Fourier descriptors of the polygonal lines, causing invisible distortions to the vertices coordinates. The properties of the Fourier descriptors ensure that watermarks generated by this technique withstand rotation, translation, scaling, reflection, change of traversal starting point/direction and smoothing
Keywords :
Fourier transforms; copy protection; copyright; data compression; image coding; security of data; transform coding; Fourier descriptors watermarking; blind method; copyright protection; digital watermark; multimedia data; polygonal line modification; reflection; rotation; scaling; smoothing; translation; traversal starting point/direction; vector graphics images; vertices coordinates; watermark detection; Computer graphics; Copyright protection; Discrete Fourier transforms; Discrete cosine transforms; Discrete wavelet transforms; Indexing; Informatics; Reflection; Smoothing methods; Watermarking;
Conference_Titel :
Image Processing, 2000. Proceedings. 2000 International Conference on
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-6297-7
DOI :
10.1109/ICIP.2000.899265
